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STUDY OF INFLUENCE OF EXPLOSION ON DEEP LAYERS CONSTRUCTION INTENSITY BY MEANS OF OBJECT-ORIENTED PROGRAMMING.

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Title: STUDY OF INFLUENCE OF EXPLOSION ON DEEP LAYERS CONSTRUCTION INTENSITY BY MEANS OF OBJECT-ORIENTED PROGRAMMING. (English)
Authors: Royenko, A. N., Kharin, S. A.
Source: Scientific Bulletin of National Mining University; 2015, Issue 1, p61-66, 6p
Abstract: Purpose. To investigate the influence of the following factors of explosion on the extended horizontal workings construction speed based on software development: explosive efficiency ratio, fill factor of holes, perimeter blasting technique. Methodology. We have implemented a comprehensive approach that includes the synthesis and analysis of literary sources, theoretical studies based on the methods of mathematical modeling, use of the programming language Java. Findings. The software has been developed for the research. We have studied organizational and technological parameters of the extended horizontal workings driving under various conditions. We have determined the nature of change of pace of mining depending on varying values of the explosive efficiency ratio, the fill factor of holes, the structure of rocks, and use of the perimeter blasting technique for workings of various section shape. Originality. We have found that in general the dependence of the driving speed on the explosive efficiency ratio and fill factor of holes is characterized by linear functions. The dependence of cropper holes placement options on the coefficient of rock strength for conditions with f =10-20 has been determined. The results have shown that in this case the distance between the holes and the line of least resistance, depending on the coefficient of rock strength are described by logarithmic and exponential functions respectively. We have presented the results of studies of the perimeter blasting technique effect on the driving speed under different conditions: driving speed drops by 1.1-1.24 times, while the more intense reduction in speed with increasing penetration rate f can be explained by the reduced performance of the drilling equipment. Practical value. We have suggested the program of calculation of organizational and technological parameters of underground development with respect to various factors of blasting that allows us to automate the design process for deep mining. [ABSTRACT FROM AUTHOR]
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Database: Complementary Index
Description
Abstract:Purpose. To investigate the influence of the following factors of explosion on the extended horizontal workings construction speed based on software development: explosive efficiency ratio, fill factor of holes, perimeter blasting technique. Methodology. We have implemented a comprehensive approach that includes the synthesis and analysis of literary sources, theoretical studies based on the methods of mathematical modeling, use of the programming language Java. Findings. The software has been developed for the research. We have studied organizational and technological parameters of the extended horizontal workings driving under various conditions. We have determined the nature of change of pace of mining depending on varying values of the explosive efficiency ratio, the fill factor of holes, the structure of rocks, and use of the perimeter blasting technique for workings of various section shape. Originality. We have found that in general the dependence of the driving speed on the explosive efficiency ratio and fill factor of holes is characterized by linear functions. The dependence of cropper holes placement options on the coefficient of rock strength for conditions with f =10-20 has been determined. The results have shown that in this case the distance between the holes and the line of least resistance, depending on the coefficient of rock strength are described by logarithmic and exponential functions respectively. We have presented the results of studies of the perimeter blasting technique effect on the driving speed under different conditions: driving speed drops by 1.1-1.24 times, while the more intense reduction in speed with increasing penetration rate f can be explained by the reduced performance of the drilling equipment. Practical value. We have suggested the program of calculation of organizational and technological parameters of underground development with respect to various factors of blasting that allows us to automate the design process for deep mining. [ABSTRACT FROM AUTHOR]
ISSN:20712227